/Engine/Plugins/Online/OnlineServicesOSSAdapter/Source/Public/Online/MulticastAdapter.h
template<typename CallableObject> class TMAConverter : public [UE::Online::Private::TMAConverterHelper< CallableObject, decltype(&std::remove_reference_t< CallableObject >::operator())>](API\Plugins\OnlineServicesOSSAdapter\Online\TMAConverterHelper)